CN112411757A - Vertical rigid connection node of container building box body and installation method thereof - Google Patents
Vertical rigid connection node of container building box body and installation method thereof Download PDFInfo
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- CN112411757A CN112411757A CN202011038977.4A CN202011038977A CN112411757A CN 112411757 A CN112411757 A CN 112411757A CN 202011038977 A CN202011038977 A CN 202011038977A CN 112411757 A CN112411757 A CN 112411757A
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- frame node
- box body
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
- E04B1/34807—Elements integrated in a skeleton
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
Abstract
The invention discloses a vertical rigid connection node of a container building box body and an installation method thereof, belonging to the technical field of fixed buildings. All parts of the top frame node, the bottom frame node and the inner sleeve are connected through the inner hexagon bolts. The invention relates to a vertical rigid connection node of a container building box body, which consists of a top frame node, a bottom frame node and an inner sleeve, wherein all parts are connected by hexagon socket head bolts; rigid connection between the upper and lower layer box bodies of the container building is realized; splicing fully prefabricated bolts; the force transmission path is clear, and the stress is reliable; the requirement of indoor assembly of the container building is met.
Description
Technical Field
The invention belongs to the technical field of fixed buildings, and particularly relates to a vertical rigid connection node of a container building box body and an installation method thereof.
Background
The container building is an integrated, prefabricated and assembled building structure. The structure of the device is shown in fig. 1, and comprises a frame body and a column. The frame body is used as a building or a roof of a building, and the framework of the frame body is shown in figure 2 and comprises cross beams, longitudinal beams and angular points used as the connection points of the cross beams, the longitudinal beams and the columns. The container building adopts a construction mode that the container bodies are integrally installed after being spliced on the ground, as shown in figure 3.
The building is widely used as a temporary construction house in the early stage, and the structure seismic performance is not considered. With the popularization and development of the fabricated building, the container building is gradually popularized to the bottom buildings of rural residences, villas, green tourism and the like. With the advance of major basic engineering in the western part of China, the buildings of the type are used in high earthquake fortification areas, so the earthquake fortification problem of the buildings of the type must be considered.
The existing container building still continues to use the angle point fixing mode of the freight container, only hinges are formed between every two vertical container bodies, and the bending moment born by the upper container body cannot be transferred to the lower container body. As shown in fig. 4(a) - (b), compared with the distribution and size of bending moment of the three-storey house model adopting box body hinged connection and rigid connection under the action of earthquake, it can be observed that after rigid connection is adopted, although the bending moment of the column is improved, the bending moment of the beam is obviously reduced, because the beam is the most member, the steel consumption can be reduced by 15% -30% by adopting the hinged form through statistical analysis, and the construction cost is saved.
In order to achieve the purpose of vertical connection between the box bodies and meet the characteristic that the container building is connected inside the box body of a worker, a brand new connecting node is required to be provided.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a vertical rigid connection node of a container building box body, which realizes the purpose of vertical connection between the box bodies and meets the requirement that a container building is connected in the interior of a worker box body. The invention also discloses an installation method of the device.
The technical scheme is as follows: in order to achieve the purpose, the invention provides the following technical scheme:
the vertical rigid connection node of the container building box body comprises a top frame node, a bottom frame node and an inner sleeve, wherein the top frame node and the bottom frame node are respectively used as angular points of a box top plate frame body, the top frame node is connected with a lower floor box body and the inner sleeve, and the bottom frame node is connected with an upper floor box body and the inner sleeve. And the top frame node, the bottom frame node and all parts of the inner sleeve are connected by the inner hexagon bolts.
Furthermore, the top frame node comprises a first top plate, a first bottom plate and a first vertical plate, wherein first threaded holes are formed in four corners of the first top plate, and a first cross-shaped groove is formed in the center of the first top plate and used for being connected with the inner sleeve; the first threaded hole is used for connecting an inner hexagon bolt and is used for transmitting bending moment; the first cross-shaped groove is used for inserting a first shear key to be used for shear force transmission; the first bottom plate is provided with L-shaped threaded holes for connecting with the columns of the lower-layer box body by adopting hexagon socket head cap screws; the first vertical plate is made of steel, vertically surrounds a top frame node, serves as a side vertical face of the top frame node, and is connected with the cross beam and the longitudinal beam in a welding mode.
Furthermore, the bottom frame node comprises a second top plate, a second vertical plate and a short corbel, wherein second threaded holes are formed in four corners of the second top plate, and a second cross-shaped groove is formed in the center of the second top plate and used for being connected with the inner sleeve; the second threaded hole is used for connecting an inner hexagon bolt and is used for transmitting bending moment; the second cross-shaped groove is used for inserting a second shear resistant key to be used for shear force transmission; the second vertical plate is made of steel, vertically surrounds the bottom frame node, serves as a side vertical surface of the bottom frame node, and is in welded connection with the cross beam and the longitudinal beam; the short bracket is welded on the second top plate, and is provided with a round hole for connecting a column by a high-strength bolt; when the assembly is carried out, the bottom frame node is sleeved on the inner sleeve to work.
Furthermore, the inner sleeve comprises a second bottom plate, a third top plate and a pipe body, the second bottom plate is used for connecting a top frame node of the lower floor box body, third threaded holes are formed in the periphery of the second bottom plate, a first shear key is welded below the bottom surface of the second bottom plate, and the third threaded holes are used for connecting hexagon socket head bolts and are used for transmitting bending moment; the first shear key is inserted into a first cross-shaped groove of the top frame node to be used as shear force transmission; the third top plate is used for connecting a bottom frame node of the upper floor box body, fourth threaded holes are formed in the periphery of the third top plate, a second shear key is welded on the top surface of the third top plate, and the fourth threaded holes are used for connecting hexagon socket head bolts and are used for transmitting bending moment; the second shear key is inserted into a second cross-shaped groove of the bottom frame node to be used as shear force transmission; the pipe body is a rectangular steel pipe and serves as a main body for transmitting internal force between the upper frame body and the lower frame body, and the pipe body is welded with the second bottom plate and the third top plate.
Further, the installation method of the vertical rigid connection node of the container building box body comprises the following steps:
1) when the box is installed, the installation of the lower floor box is completed firstly, and the upper floor box is assembled on the ground;
2) inserting a first shear key of the inner sleeve into a first cross-shaped groove of a top frame node of the lower floor box body, installing an inner hexagonal bolt to pass through a third threaded hole and the first threaded hole to be screwed, and fixing the inner sleeve on the top frame node;
3) hoisting the assembled upper floor box body, sleeving the bottom frame node of the upper floor on the inner sleeve, inserting the second shear resistant key into the second cross-shaped groove of the bottom frame node, then manually passing the inner hexagon bolt through the second threaded hole and the fourth threaded hole in the upper floor box body, fixing the inner sleeve and the bottom frame node, and completing installation. And rigid connection is formed among the bottom frame node of the upper floor, the inner sleeve and the top frame node of the lower floor, so that the transmission of bending moment and shearing force to the box bodies of the upper floor and the lower floor is realized.
Has the advantages that: compared with the prior art, the vertical rigid connection node of the container building box body consists of a top frame node, a bottom frame node and an inner sleeve, wherein all parts are connected by hexagon socket head cap bolts; rigid connection between the upper and lower layer box bodies of the container building is realized; splicing fully prefabricated bolts; the force transmission path is clear, and the stress is reliable; the requirement of indoor assembly of the container building is met. The installation method is quick, practical and easy to popularize.
Drawings
FIG. 1 is a container building structure;
FIG. 2 is a frame skeleton;
FIG. 3 is a schematic view of a container building installation;
FIG. 4 shows the bending moment distribution of different vertical box connection forms under the action of earthquake;
FIG. 5 is a cross-sectional view of the present invention;
FIG. 6 is a top frame node configuration;
FIG. 7 is a top frame node sectional view;
figure 8 is a bottom frame node configuration;
figure 9 is a cross-sectional view of a bottom frame node;
FIG. 10 is an inner cannula configuration;
FIG. 11 is a schematic view of an inner casing connection;
FIG. 12 is a cross-sectional view of the connection of the inner sleeve;
FIG. 13 is a flow chart of the present invention as a foundation footing installation;
FIG. 14 is a flow chart of the present invention for connecting and installing the boxes.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments.
As shown in fig. 1 to 14, reference numerals refer to a frame 1, a column 2, a cross beam 3, a longitudinal beam 4, an angular point 5, a top frame node 6, a bottom frame node 7, an inner sleeve 8, a hexagon socket bolt 9, a first top plate 10, a first bottom plate 11, a first vertical plate 12, a first threaded hole 13, a first cross-shaped groove 14, a first shear key 15, a second top plate 16, a second vertical plate 17, a short corbel 18, a second threaded hole 19, a second cross-shaped groove 20, a second shear key 21, a second bottom plate 23, a third top plate 24, a pipe body 25, a third threaded hole 26, a fourth threaded hole 27, and a pouring foundation 28.
As shown in fig. 5, the vertical rigid connection node of the container building box body comprises a top frame node 6, a bottom frame node 7 and an inner sleeve 8, wherein the top frame node 6, the bottom frame node 7 and the inner sleeve 8 are connected by hexagon socket head cap bolts 9.
The top frame node 6 is made of steel and serves as an angular point 5 of a top plate frame body of the box body to connect the box body on the lower floor with the inner sleeve 8. The top frame node 6 is composed of a first top plate 10, a first bottom plate 11 and a first vertical plate 12. The four corners of the first top plate 10 are provided with first threaded holes 13, and the center is provided with a first cross-shaped groove 14 for connecting with the inner sleeve 8. The first threaded hole 13 is used for connecting the hexagon socket head cap screw 9 and is used for transmitting bending moment; the first cross-shaped groove 14 is used for inserting a first shear key 15 as a shear force transmission. The first bottom plate 11 is provided with L-shaped threaded holes for connecting with the columns 2 of the lower-layer box body by adopting hexagon socket head cap screws 9. The first vertical plate 12 is made of steel, vertically surrounds the top frame node 6, serves as a side vertical surface of the top frame node, and is connected with the cross beam 3 and the longitudinal beam 4 in a welding mode. The construction of the top frame node 6 is shown in fig. 6 and 7.
The bottom frame node 7 is made of steel, serves as an angular point 5 of a bottom plate frame body of the box body, and also plays a role in connecting the box body on the upper floor with the inner sleeve 8. The bottom frame node 7 is composed of a second top plate 16, a second vertical plate 17 and a short bracket 18. The second top plate 16 is provided with second screw holes 19 at four corners and a second cross-shaped groove 20 at the center for connecting with the inner sleeve 8. The second threaded hole 19 is used for connecting the hexagon socket head cap screw 9 and is used for transmitting bending moment; the second cross-shaped groove 20 is used for inserting a second shear resistant key 21 as shear force transmission. The second vertical plate 17 is made of steel, vertically surrounds the bottom frame node 7, serves as a side vertical surface of the bottom frame node, and is connected with the cross beam 3 and the longitudinal beam 4 in a welding mode. A short bracket 18 is welded to the second top plate 16 and has a circular hole therein for connection with the column 2 using a high strength bolt 22. The construction of the bottom frame node 7 is shown in figures 8 and 9. During assembly, the bottom frame node 7 is sleeved on the inner sleeve 8 to work.
The inner sleeve 8 is made of steel and is used for rigidly connecting the top frame node 6 of the lower floor with the bottom frame node 7 of the upper floor. It is composed of a second bottom plate 23, a third top plate 24 and a tube 25. The second bottom plate 23 is used for connecting a top frame node 6 of the lower floor box body, third threaded holes 26 are formed in the periphery of the second bottom plate, a first shear key 15 is welded below the bottom surface, and the third threaded holes 26 are used for connecting hexagon socket head bolts 9 and used for transmitting bending moment; a first shear key 15 is inserted into the first cruciform slot 14 of the top frame node 6 as a shear transfer. The third top plate 24 is used for connecting the bottom frame node 7 of the upper floor box body, fourth threaded holes 27 are formed in the periphery of the third top plate, a second shear key 21 is welded on the top surface of the third top plate, and the fourth threaded holes 27 are used for connecting hexagon socket head bolts 9 and are used for transmitting bending moment; the second shear resistant key 21 is inserted into the second cross-shaped groove 20 of the bottom frame node 7 as shear force transmission. The pipe 25 is a rectangular steel pipe, and is welded to the second bottom plate 23 and the third top plate 24 as a main body for transmitting internal force to the upper and lower frames. The construction of the inner sleeve 8 and the connections to the parts are shown in figures 10, 11 and 12.
When the box is installed, the lower floor box is installed, and the upper floor box is assembled on the ground. And inserting the first shear key 15 of the inner sleeve 8 into the first cross-shaped groove 14 of the top frame node 6 of the lower floor box body, installing an inner hexagonal bolt 9, penetrating through the third threaded hole 26 and the first threaded hole 13, screwing tightly, and fixing the inner sleeve 8 on the top frame node 6. Hoisting the assembled upper floor box body, sleeving the bottom frame node 7 of the upper floor on the inner sleeve 8, inserting the second shear resistant key 21 into the second cross-shaped groove 20 of the bottom frame node 7, then enabling a worker to pass the inner hexagon bolt 9 through the second threaded hole 19 and the fourth threaded hole 27 in the upper floor box body, fixing the inner sleeve 8 and the bottom frame node 7, and completing installation. And rigid connection is formed among the bottom frame node 7 of the upper floor, the inner sleeve 8 and the top frame node of the lower floor, so that the transmission of bending moment and shearing force to the boxes of the upper floor and the lower floor is realized.
1. Installation process
1) As a foundation pedestal mounting, as shown in fig. 13:
1.1) pouring a foundation 28, embedding the inner sleeve 8 into concrete of the foundation 28 as an embedded anchor plate, and fixing by adopting an embedded anchor bolt 29;
1.2) assembling the first-layer box body after the concrete meets the requirement of the age;
1.3) hoisting the box body to enable the bottom frame node 7 to be sleeved on the inner sleeve 8, and enabling a second shear resistant key 21 to be inserted into a second cross-shaped groove 20 of the bottom frame node 7;
1.4) the worker passes the hexagon socket head cap screw 9 through the second threaded hole 19 and the fourth threaded hole 27 in the box body, fixes the inner sleeve 8 and the bottom frame node 7, and completes first-layer installation.
2) As shown in fig. 14, the following components are installed in connection with each other:
2.1) completing the installation of the lower floor box body, and assembling the upper floor box body on the ground;
2.2) inserting the first shear key 15 of the inner sleeve 8 into the first cross-shaped groove 14 of the top frame node 6 of the lower floor box body, installing an inner hexagon bolt 9, screwing the inner hexagon bolt through the third threaded hole 26 and the first threaded hole 13, and fixing the inner sleeve 8 on the top frame node 6;
2.3) hoisting the assembled upper floor box body, and sleeving the bottom frame node 7 of the upper floor on the inner sleeve 8, so that the second shear resistant key 21 is inserted into the second cross-shaped groove 20 of the bottom frame node 7;
2.4) the worker passes the hexagon socket head cap screw 9 through the second threaded hole 19 and the fourth threaded hole 27 in the upper floor box body, fixes the inner sleeve 8 and the bottom frame node 7, and the installation is completed.
2. Calculation of force transfer and force
According to technical regulations on steel structures of high-rise civil buildings, the force transmission between the inner sleeve 8 and the top frame node 6 and the bottom frame node 7 can be simplified. Wherein M is the bending moment of the joint, V is the shearing force of the joint, and can be obtained by structural analysis and calculation, P is the calculated value of the bolt tensile force, [ P ]]Designed value for bolt bearing capacity, fvDesigned value for shear strength of steel, AvIs the shear bond area, /)dThe distance between the bolts in the direction perpendicular to the bending moment is shown, and n is the number of the single-row bolts. The design formula of the unidirectional bending shear is as follows:
M＝n·P·ld (I)；
P≤[P] (II)；
V/A≤fv (III)；
for the bidirectional bending member, the calculated value P of the bolt tension in each direction is calculated according to unidirectional bending and shearingx、PyAnd a shear force value Vx、VyCarrying out bearing capacity checking calculation according to the following formula:
Claims (5)
1. vertical rigid connection node of container building box, its characterized in that: including top frame node (6), underframe node (7) and interior sleeve pipe (8), top frame node (6), underframe node (7) regard as the angular point of box roof framework respectively, top frame node (6) connect lower part floor box and interior sleeve pipe (8), underframe node (7) connect upper portion floor box and interior sleeve pipe (8).
2. The vertical rigid connection node of the container building box body according to claim 1, wherein: the top frame node (6) comprises a first top plate (10), a first bottom plate (11) and a first vertical plate (12), wherein first threaded holes (13) are formed in four corners of the first top plate (10), and a first cross-shaped groove (14) is formed in the center of the first top plate (10); wherein the first threaded hole (13) is connected with an inner hexagon bolt (9); the first cross-shaped groove (14) is used for inserting a first shear key (15); the first bottom plate (11) is provided with L-shaped threaded holes; the first vertical plate (12) is made of steel materials, vertically surrounds the top frame node (6) and serves as a side vertical surface of the top frame node.
3. The vertical rigid connection node of the container building box body according to claim 2, wherein: the bottom frame node (7) comprises a second top plate (16), a second vertical plate (17) and a short corbel (18), wherein second threaded holes (19) are formed in four corners of the second top plate (16), and a second cross-shaped groove (20) is formed in the center of the second top plate (16); wherein the second threaded hole (19) is connected with the inner hexagon bolt (9); the second shear key (21) is inserted into the second cross-shaped groove (20); the second vertical plate (17) is made of steel and vertically surrounds the bottom frame node (7) to serve as a side vertical surface of the bottom frame node; the short corbels (18) are welded on the second top plate (16), and round holes are formed in the short corbels (18).
4. The vertical rigid connection node of the container building box body according to claim 3, wherein: the inner sleeve (8) comprises a second bottom plate (23), a third top plate (24) and a pipe body (25), the second bottom plate (23) is connected with a top frame node (6) of the lower floor box body, third threaded holes 26 are formed in the periphery of the second bottom plate (23), a first shear key (15) is welded below the bottom surface of the second bottom plate (23), and the third threaded holes 26 are used for being connected with inner hexagonal bolts (9) and used for transmitting bending moment; the first shear key (15) is inserted into a first cross-shaped groove (14) of the top frame node (6) to be used for shear force transmission; the third top plate (24) is used for being connected with a bottom frame node (7) of the upper floor box body, fourth threaded holes 27 are formed in the periphery of the third top plate (24), a second shear key (21) is welded to the top surface of the third top plate, and the fourth threaded holes 27 are connected with inner hexagon bolts (9); the second shear key (21) is inserted into a second cross-shaped groove (20) of the bottom frame node (7) to be used for shear force transmission; the pipe body (25) is a rectangular steel pipe, and the pipe body (25) is welded with the second bottom plate (23) and the third top plate (24).
5. The method for installing the vertical rigid connection node of the container building box body as claimed in claim 4, wherein: the method comprises the following steps:
1) when the box is installed, the installation of the lower floor box is completed firstly, and the upper floor box is assembled on the ground;
2) inserting a first shear key (15) of an inner sleeve (8) into a first cross-shaped groove (14) of a top frame node (6) of the lower floor box body, installing an inner hexagonal bolt (9), penetrating through a third threaded hole (26) and a first threaded hole (13), screwing tightly, and fixing the inner sleeve (8) on the top frame node (6);
3) hoisting the assembled upper floor box body, sleeving the bottom frame node (7) of the upper floor on the inner sleeve (8), inserting the second shear resistant key (21) into the second cross-shaped groove (20) of the bottom frame node (7), then manually penetrating the inner hexagonal bolt (9) into the upper floor box body through the second threaded hole (19) and the fourth threaded hole (27), fixing the inner sleeve (8) and the bottom frame node (7), and completing installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011038977.4A CN112411757A (en) | 2020-09-28 | 2020-09-28 | Vertical rigid connection node of container building box body and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011038977.4A CN112411757A (en) | 2020-09-28 | 2020-09-28 | Vertical rigid connection node of container building box body and installation method thereof |
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| CN112411757A true CN112411757A (en) | 2021-02-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0494781A1 (en) * | 1991-01-09 | 1992-07-15 | Misawa Homes Co. Ltd | Connector for building unit |
| CN206128309U (en) * | 2016-09-13 | 2017-04-26 | 天津大学 | Modularization building bolt crossplate hybrid connection node structure |
| CN109736444A (en) * | 2019-01-29 | 2019-05-10 | 哈尔滨工业大学（深圳） | Modularization assembling frame |
| CN110284732A (en) * | 2019-06-13 | 2019-09-27 | 中国矿业大学 | A kind of modular containers building connecting node |
| CN110792170A (en) * | 2019-08-22 | 2020-02-14 | 中国建筑股份有限公司 | Reinforced connecting node structure of box type integrated building module and installation method thereof |
| CN110965639A (en) * | 2019-10-12 | 2020-04-07 | 中国建筑股份有限公司 | Prefabricated assembly dry type connecting frame structure system and construction method thereof |
-
2020
- 2020-09-28 CN CN202011038977.4A patent/CN112411757A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0494781A1 (en) * | 1991-01-09 | 1992-07-15 | Misawa Homes Co. Ltd | Connector for building unit |
| CN206128309U (en) * | 2016-09-13 | 2017-04-26 | 天津大学 | Modularization building bolt crossplate hybrid connection node structure |
| CN109736444A (en) * | 2019-01-29 | 2019-05-10 | 哈尔滨工业大学（深圳） | Modularization assembling frame |
| CN110284732A (en) * | 2019-06-13 | 2019-09-27 | 中国矿业大学 | A kind of modular containers building connecting node |
| CN110792170A (en) * | 2019-08-22 | 2020-02-14 | 中国建筑股份有限公司 | Reinforced connecting node structure of box type integrated building module and installation method thereof |
| CN110965639A (en) * | 2019-10-12 | 2020-04-07 | 中国建筑股份有限公司 | Prefabricated assembly dry type connecting frame structure system and construction method thereof |
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